Aon (AON) Other Operating Expenses (2009 - 2026)
Aon's Other Operating Expenses came in at $875 million for Q3 2026, up 3.8% from $843 million a year earlier but down 4.4% from the prior quarter.
Powered by 
Analysis
Aon (AON) Other Operating Expenses (2009 - 2026) Analysis & Trends
Over the trailing twelve months to Sep 30, 2026, Aon reported Other Operating Expenses of $3.38 billion, up 1.7% year-over-year; for FY2025, it came in at $3.3 billion, up 9.7% from FY2024.
- Other Operating Expenses has increased in each of the last three years, with a five-year compound annual growth rate of 8.3% (FY2020 to FY2025).
- Going back by year, Other Operating Expenses was $3.01 billion in FY2024 (+26.0%), $2.39 billion in FY2023 (+9.4%), $2.18 billion in FY2022 (-31.5%) and $3.19 billion in FY2021 (+44.0%).
- The five-year range for quarterly Other Operating Expenses is $498 million (Q1 2022) to $915 million (Q2 2026).
- Year-over-year, Other Operating Expenses increased in five of the last eight quarters, with growth averaging 9.1%.
- The fastest year-over-year change in Other Operating Expenses over five years came in Q3 2024 (growth of 57.3%), and the weakest in Q3 2022 (a decline of 66.7%).
- Business Quant data shows AON's Other Operating Expenses at $915 million (Q2 2026), $788 million (Q1 2026) and $798 million (Q4 2025) in the three quarters before Q3 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Berkshire Hathaway | 1,248.67 Bn | -185.49 Bn | 56.71 Bn |
| 2 | Chubb | 141.22 Bn | 92.15 Bn | 8.67 Bn |
| 3 | Progressive | 134.26 Bn | 109.78 Bn | 8.29 Bn |
| 4 | Marsh & Mclennan Companies | 98.32 Bn | 90.72 Bn | - |
| 5 | Travelers Companies | 82.09 Bn | 59.57 Bn | 5.93 Bn |
| 6 | Manulife Financial | 75.36 Bn | -19.02 Bn | - |
| 7 | Arthur J. Gallagher | 72.54 Bn | 67.17 Bn | 3.33 Bn |
| 8 | Aon | 71.33 Bn | 50.56 Bn | - |
| 9 | Allstate | 65.04 Bn | 22.10 Bn | -9.85 Bn |
| 10 | Metlife | 64.67 Bn | -43.29 Bn | 9.05 Bn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 461.00 Mn |
| Jun 30, 2026 | 494.00 Mn |
| Mar 31, 2026 | 411.00 Mn |
| Dec 31, 2025 | 372.00 Mn |
| Sep 30, 2025 | 425.00 Mn |
| Jun 30, 2025 | 373.00 Mn |
| Mar 31, 2025 | 446.00 Mn |
| Dec 31, 2024 | 409.00 Mn |
| Sep 30, 2024 | 429.00 Mn |
| Jun 30, 2024 | 455.00 Mn |
| Mar 31, 2024 | 348.00 Mn |
| Dec 31, 2023 | 521.00 Mn |
| Sep 30, 2023 | 300.00 Mn |
| Jun 30, 2023 | 320.00 Mn |
| Mar 31, 2023 | 329.00 Mn |
| Dec 31, 2022 | 306.00 Mn |
| Sep 30, 2022 | 299.00 Mn |
| Jun 30, 2022 | 391.00 Mn |
| Mar 31, 2022 | 275.00 Mn |
| Dec 31, 2021 | 280.00 Mn |
API Access
Aon Other Operating Expenses API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=other-operating-expenses&ticker=AON&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "other-operating-expenses", "ticker": "AON", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=other-operating-expenses&ticker=AON&period=max&api_key=YOUR_API_KEY");
const data = await res.json();